1. Dial one of following numbers:0800 594 0544 (best for calling from a landlord phone)0845 451 0544 (best for calling from own phone or office phone)020 7124 0544 (best for calling from a mobile phone if you have free minutes)

2. Listen to the welcom message

3. Enter PIN number

4. Enter the destination number including full code(e.g. to call a number in Beijing, dial 00 86 10 62807118)

To make a follow-on call without hanging up, press ## and wait for prompt